Microsoft has delivered another week of promotions, which arguably lacks in quality what it packs in quantity. That said, wading through the reams of DLC packs and avatar tat reveals a couple of decent bargains, including Spelunky, Warp, Rock Band Blitz and Space Channel 5: Part 2 at half price.
Major Nelson has invited us to embed a the list of offers as an Excel Web App, which contains convenient links to the Xbox Live Marketplace.
UPDATE: For reasons beyond my comprehension, the Excel app is phasing in and out of existence. Luckily, heroic reader GetsugaTenshoS came to our rescue with a low-tech but reliable solution. Thanks! Just in case we run into any more problems, here's the image: